December weather forecastOnamahoka, Namibia

December

Weather in December

December, the first month of the summer in Onamahoka, is still a tropical month, with an average temperature ranging between min 23.3°C (73.9°F) and max 31.8°C (89.2°F).

Temperature

Onamahoka observes a minor difference in average high-temperatures between November's 33.1°C (91.6°F) and December's 31.8°C (89.2°F). In the month of December, Onamahoka records a consistent average low-temperature of 23.3°C (73.9°F).

Heat index

In December, the average heat index is evaluated at a tropical 33°C (91.4°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
The heat index's values are generally associated with conditions in shade and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in December is 44%.

Rainfall

In December, the rain falls for 16.4 days. Throughout December, 61mm (2.4") of precipitation is accumulated. In Onamahoka, during the entire year, the rain falls for 91.8 days and collects up to 272mm (10.71") of precipitation.

Daylight

With an average of 13h and 12min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 06:11 and sunset at 19:18. On the last day of the month, sunrise is at 06:24 and sunset at 19:34 CAT.

Sunshine

The average sunshine in December is 9.1h.

UV index

The months with the highest UV index are January, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 7 during December translates into the following directions:
Deflect overexposure. Sun protection is a necessity. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Onamahoka in December has an average high-temperature of 31.8°C (89.2°F) and an average low-temperature of 23.3°C (73.9°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in December is evaluated at 33°C (91.4°F).

In December, the average relative humidity is 44%.

In December, the rain falls for 16.4 days. Throughout December, 61mm (2.4") of precipitation is accumulated.

With an average of 13h and 12min of daylight, December has the longest days of the year.

In Onamahoka, the average day length in December is 13h and 10min.

On the first day of December, sunrise is at 06:11 and sunset at 19:18. On the last day of the month, sunrise is at 06:24 and sunset at 19:34 CAT.

In Onamahoka, the average sunshine duration in December is 9.1h.

January, September through December, with an average maximum UV index of 7, are months with the highest UV index.

The average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

33.1°C

31.8°C

31.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13km/h

12.4km/h

12km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

15.5

12.6

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Onamahoka, Namibia

Average high temperature in December: 31.8°C

The warmest month (with the highest average high temperature) is October (35.8°C).
The month with the lowest average high temperature is June (26.7°C).

Average low temperature in December: 23.3°C

The month with the highest average low temperature is December (23.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).

Average pressure in December
Onamahoka, Namibia

Average pressure in December: 1009.4mbar

The month with the highest atmospheric pressure is July (1018.7mbar).
The months with the lowest atmospheric pressure are January and December (1009.4mbar).

Average wind speed in December
Onamahoka, Namibia

Average wind speed in December: 10.6km/h

The windiest month (with the highest average wind speed) is July (13.4km/h).
The calmest month (with the lowest average wind speed) is February (9.6km/h).

Average humidity in December
Onamahoka, Namibia

Average humidity in December: 44%

The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (17%).

Average rainfall in December
Onamahoka, Namibia

Average rainfall in December: 61mm

The wettest month (with the highest rainfall) is January (62mm).
The driest months (with the least rainfall) are May, June, July, August and September (0mm).

Average rainfall days in December
Onamahoka, Namibia

Average rainfall days in December: 16.4 days

The month with the highest number of rainy days is March (17.5 days).
The months with the least rainy days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Onamahoka, Namibia

Average daylight in December: 13h and 12min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).

Average sunshine in December: 9h and 6min

The months with the most sunshine are August and September (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 8h and 54min).

Average sunshine days in December
Onamahoka, Namibia

Average sunshine days in December: 12 days

The months with the most sunshine days are July and August (31 days).
The month with the least sunshine days is February (11.2 days).

Average UV index in December
Onamahoka, Namibia

Average UV index in December: 7

The months with the highest UV index are January, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).

Average cloud cover in December
Onamahoka, Namibia

Average cloud cover in December: 25

The months with the most cloud cover are January, February and March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 1).

Average visibility in December
Onamahoka, Namibia

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).